package cn.itcast.surveypark.util;

import java.util.HashMap;
import java.util.Map;

public class App {

	public static void main(String[] args) {
		String qid = "q12_0";
		System.out.println(qid.substring(1,qid.indexOf("_")));
		Map<String, String> map = null;
		HashMap hm = null; 
	}
}
